/*
 * Copyright 2025, AutoMQ HK Limited.
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.automq.stream.s3.trace;

import java.lang.reflect.Method;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.function.Function;

final class MethodCache<V> extends ClassValue<Map<Method, V>> {
    public V computeIfAbsent(Method key, Function<? super Method, ? extends V> mappingFunction) {
        return this.get(key.getDeclaringClass()).computeIfAbsent(key, mappingFunction);
    }

    @Override
    protected Map<Method, V> computeValue(Class<?> type) {
        return new ConcurrentHashMap<>();
    }
}
